Actively Recruiting

Phase 2
Age: 18Years - 79Years
All Genders
NCT06926205

CHOP Plus Mosunetuzumab as First Line in Patients With Richter´s Syndrome: a Phase II Study of the Spanish Group of CLL

Led by GELLC (Grupo Español de Leucemia Linfocítica Crónica) · Updated on 2025-04-13

34

Participants Needed

16

Research Sites

208 weeks

Total Duration

On this page

Sponsors

G

GELLC (Grupo Español de Leucemia Linfocítica Crónica)

Lead Sponsor

E

Evidenze CRO

Collaborating Sponsor

AI-Summary

What this Trial Is About

The goal of this clinical trial is to learn if drug Mosunetuzumab works to treat Richter´syndrome . It will also learn about the safety of drug Mosunetuzumab. The main questions it aims to evaluate the efficacy of mosunetuzumab combined with CHOP (M-CHOP) after the end of induction in patients with Richter´s Syndrome who have never received thearapy What medical problems do participants have when taking drug Mosunetuzumab? Patients with Richter´s Syndrome Participants will: Take drug Mosunetuzumab+CHOP during 6 cycle and they if they are not candidate to Alothasplant continuing 11 cycles more with mosunetuzumab on monoterapy Visit the clinic once every 23weeks for checkups and tests

CONDITIONS

Official Title

CHOP Plus Mosunetuzumab as First Line in Patients With Richter´s Syndrome: a Phase II Study of the Spanish Group of CLL

Who Can Participate

Age: 18Years - 79Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Able to give signed informed consent
  • Aged between 18 and 79 years at consent
  • Able to follow study procedures and hospital visits
  • ECOG performance status of 2 or less
  • Adult patients with untreated, histologically confirmed Richter's syndrome, diffuse large B cell variant
  • CD20 positive disease confirmed by testing
  • Adequate bone marrow function not due to leukemia involvement
  • Platelet count at least 75 x 10^9/L (or 30 x 10^9/L if low due to marrow involvement)
  • Absolute neutrophil count at least 1 x 10^9/L unless due to marrow involvement
  • Hemoglobin 9 g/dL or higher unless due to marrow involvement
  • Creatinine clearance 45 mL/min or higher
  • Life expectancy longer than 3 months
  • Women of childbearing potential agree to use effective contraception or abstain during and for 3 months after treatment
  • Men agree to use condom or abstain during and for specified periods after treatment
Not Eligible

You will not qualify if you...

  • Pregnant or breastfeeding or planning pregnancy during or within 3 months after treatment
  • Prior treatment with Mosunetuzumab or other CD20/CD3 bispecific antibodies
  • Recent autologous stem cell transplant within 100 days
  • Allogeneic stem cell transplant for CLL
  • CAR T-cell therapy within 100 days prior to treatment
  • Use of systemic corticosteroids over 20 mg/day prednisone equivalent for more than 5 days before treatment
  • Central nervous system involvement by disease
  • Transformation of CLL to prolymphocytic leukemia
  • History of prior malignancy unless disease-free for 2 years or specific exceptions
  • Laboratory abnormalities including low creatinine clearance, low neutrophils or platelets (unless due to marrow involvement), elevated liver enzymes, or high bilirubin
  • Severe allergic reactions to monoclonal antibody therapy
  • Contraindication to tocilizumab
  • Active autoimmune disorders at time of first dose
  • History of autoimmune diseases except controlled hypothyroidism or type 1 diabetes
  • History of solid organ transplant
  • Recent serious infections or active infections at enrollment
  • History of progressive multifocal leukoencephalopathy
  • Positive HIV test
  • Chronic hepatitis B or C infection not controlled
  • Known or suspected chronic active Epstein Barr Virus infection
  • History of macrophage activation syndrome or hemophagocytic lymphohistiocytosis
  • Recent live attenuated vaccine within 4 weeks before treatment
  • Left ventricular ejection fraction under 50%
  • Significant cardiovascular, pulmonary, liver, or central nervous system disease
  • Recent major surgery within 4 weeks before treatment
  • Dependence on Sponsor or investigator
  • Any serious medical condition preventing safe participation or completion of the study

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 16 locations

1

Hospital Vall Hebron

Barcelona, Barcelona, Spain, 08035

Actively Recruiting

2

Hospital Clínic y Porvincial de Barcelona

Barcelona, Barcelona, Spain, 08036

Actively Recruiting

3

ICO Hospitalet Duran i Reynals

L'Hospitalet de Llobregat, Barcelona, Spain, 08908

Actively Recruiting

4

H Marqués de Valdecilla

Santander, Cantabria, Spain, 39011

Actively Recruiting

5

Complejo Hospitalario Universitario de Gran Canaria Dr. Negrín

Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain, 35010

Active, Not Recruiting

6

Hospital Universitario La Princesa

Madrid, Madrid, Spain, 28006

Actively Recruiting

7

Hospital Universitario 12 de Octubre

Madrid, Madrid, Spain, 28041

Actively Recruiting

8

Hospital General Universitario Morales Meseguer

Murcia, Murcia, Spain, 30008

Active, Not Recruiting

9

Hospital Universitario Costa del Sol

Marbella, Málaga, Spain, 29603

Active, Not Recruiting

10

Hospital Universitario Central de Asturias

Oviedo, Principality of Asturias, Spain, 33011

Actively Recruiting

11

Hospital Universitario de Salamanca

Salamanca, Salamanca, Spain, 37007

Active, Not Recruiting

12

Hospital de Donostia

Donostia / San Sebastian, San Sebastian, Spain, 20014

Actively Recruiting

13

Centro Hospitalario Universitario de Santiago

Santiago de Compostela, Santiago de Compostela, Spain, 15706

Actively Recruiting

14

Hospital Universitario Virgen del Rocío

Seville, Sevilla, Spain, 41013

Active, Not Recruiting

15

Hospital Universitario Clínico de Valencia

Valencia, Valencia, Spain, 46010

Active, Not Recruiting

16

Hospital Universitario Lozano Blesa

Zaragoza, Zaragoza, Spain, 50009

Active, Not Recruiting

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Research Team

A

Ana Méndez, Sponsor representative

CONTACT

T

Teresa Pascual Tome, CRO representative

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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